Conference telephone



FIG. 1 is a perspective view of the conference telephone showing my new design;

FIG. 2 is a front view of the conference telephone shown in FIG. 1;

FIG. 3 is a back view of the conference telephone shown in FIG. 1;

FIG. 4 is left side view of the conference telephone shown in FIG. 1;

FIG. 5 is a right side view of the conference telephone shown in FIG. 1;

FIG. 6 is a top view of the conference telephone shown in FIG. 1; and,

FIG. 7 is a bottom view of the conference telephone shown in FIG. 1. 

The ornamental design for an conference telephone, as shown and described. 